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85345038331 = 712192148333
BaseRepresentation
bin100111101111011110…
…1011110111111111011
322011021211202011011121
41033132331132333323
52344241312211311
6103112412210111
76110633566510
oct1173675367773
9264254664147
1085345038331
113321605a533
1214659a69937
1380816003a7
1441b89b5307
15234787db71
hex13def5effb

85345038331 has 4 divisors (see below), whose sum is σ = 97537186672. Its totient is φ = 73152889992.

The previous prime is 85345038271. The next prime is 85345038377. The reversal of 85345038331 is 13383054358.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 85345038331 - 215 = 85345005563 is a prime.

It is a super-2 number, since 2×853450383312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85345038131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6096074160 + ... + 6096074173.

It is an arithmetic number, because the mean of its divisors is an integer number (24384296668).

Almost surely, 285345038331 is an apocalyptic number.

85345038331 is a deficient number, since it is larger than the sum of its proper divisors (12192148341).

85345038331 is a wasteful number, since it uses less digits than its factorization.

85345038331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12192148340.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 85345038331 in words is "eighty-five billion, three hundred forty-five million, thirty-eight thousand, three hundred thirty-one".

Divisors: 1 7 12192148333 85345038331